Chapter 16 Test Mcgraw Hill Physical Science

What type of charging does not require the two objects to touch?

• A. Charging by conduction
• B. Charging by friction
• C. Charging by induction
• D. Polarization

Which of the following will protect a circuit from current overload?

• A. capacitor
• B. cell
• C. circuit breaker
• D. resistor

What is potential difference often called?

• A. current
• B. power
• C. resistance
• D. voltage

What are materials called that have a zero resistance when their temperature falls below critical temperature?

• A. capacitor
• B. fuses
• C. semiconductor
• D. superconductor

Which of the following charges would repulse each other?

• A. positive and positive
• B. negative and negative
• C. positive and negative
• D. both A and B

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NGSS.HS-PS2-4

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Find the resistance of a portable later that uses a 24 V power supply and draws a current of 0.8 A?

• 0.03 watts
• 19.2 ohms
• 30 ohms
• 30 watts

What type of circuit is pictured?

• A. alternating
• B.overloaded
• C.parallel
• D. series

What is produced in the space around an electric charge?

• A. electric field
• B. electric force
• C. voltage
• D. electrical potential difference

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The current in a handheld video game is 0.5 A.  If the resistance of the game's circuitry is 12 ohms, what is the voltage produced by the battery?

• A. 6 watts
• B. 6 volts
• C. 24 watts
• D. 24 volts

Which of the following is equal if an object is neutrally charged?

• A. electrons and neutrons
• B. electrons and protons
• C. neutrons and protons
• D. number of different types of atoms

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